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Individual Calculations May 2012 |
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| Acosta, Alejandro Total change: 23.55 | |   |
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| Open IRT Liga de Ajedrez de Bogota MARZO | Bogota | COL | 2012-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2309 | 5.00 | 7 | -0.22 | 15 | -3.30 | |
|  Bejarano, Dany Andres | | | 1988 | COL | 1.00 | 1 | 0.13 | 15 | 1.95 | |  Pereira, Henry Alberto | | | 2086 | COL | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Pinzon, Jairo David | | | 2210 | COL | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Ruiz C, Joshua D | f | | 2178 | COL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Santos Morales, Natalia Andrea | | | 2023 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Acuna Buitrago, Camilo Andres | | | 2045 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Perez, Olarte Cesar Camilo | | | 2242 | COL | 0.00 | 1 | -0.59 | 15 | -8.85 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Open Internacional de Semana Santa L.A.B. | Bogota | COL | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2341 | 2309 | 5.50 | 8 | 1.79 | 15 | 26.85 | |
| | Rivera, Ingris | | wm | 2169 | COL | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Valle, Efrain | c | | 2190 | COL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Avila, Pedro Andres | | | 2107 | COL | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Pozo Vera, Sandro | m | | 2483 | CUB | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Castrillon Gomez, Melissa | | wf | 2185 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Barrientos, Sergio E | g | | 2519 | COL | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Ortiz Suarez, Isan Reynaldo | g | | 2562 | CUB | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Gomez Garrido, Camilo Ernesto | m | | 2515 | CUB | 0.50 | 1 | 0.26 | 15 | 3.90 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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